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240314431 = 7174742967
BaseRepresentation
bin11100101001011…
…10100000111111
3121202012020102111
432110232200333
5443010030211
635502434451
75645432110
oct1624564077
9552166374
10240314431
11113718875
1268592a27
133aa30cb6
1423cb8207
151616e421
hexe52e83f

240314431 has 16 divisors (see below), whose sum is σ = 296994816. Its totient is φ = 189737856.

The previous prime is 240314429. The next prime is 240314447. The reversal of 240314431 is 134413042.

It is not a de Polignac number, because 240314431 - 21 = 240314429 is a prime.

It is a super-2 number, since 2×2403144312 = 115502051493707522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240314491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15891 + ... + 27076.

It is an arithmetic number, because the mean of its divisors is an integer number (18562176).

Almost surely, 2240314431 is an apocalyptic number.

240314431 is a deficient number, since it is larger than the sum of its proper divisors (56680385).

240314431 is a wasteful number, since it uses less digits than its factorization.

240314431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43038.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 240314431 is about 15502.0782800243. The cubic root of 240314431 is about 621.7177744865.

Adding to 240314431 its reverse (134413042), we get a palindrome (374727473).

The spelling of 240314431 in words is "two hundred forty million, three hundred fourteen thousand, four hundred thirty-one".

Divisors: 1 7 17 47 119 329 799 5593 42967 300769 730439 2019449 5113073 14136143 34330633 240314431